Mercy Imaging Center - Midtown is a imaging & radiology center that offers many services, including mri, ultrasound, and diagnostic imaging. Visit Mercy Imaging Center - Midtown located at 3000 Q Street, Sacramento, CA. This Sacramento imaging & radiology center is one of the best in California. As part of the Dignity Health network, Mercy Imaging Center - Midtown is dedicated to delivering high quality, compassionate care and access to Sacramento and nearby communities.